Average GPS coordinates for Kordonboyu Mah. Postcode location: 40.154, 33.178. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Kordonboyu Mah. on map:

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Listing cities & postcodes (1):
>> İstanbul, 34860 Kordonboyu Mah., Kartal, Kartal, GPS coordinates: 40.1537,33.1779